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Finding the Fourth Proportional to 13,894.28, 20,837.07 and 4,034.24

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Solution

The fourth proportional to 13,894.28, 20,837.07 and 4,034.24 is: 6,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.28 : 20,837.07 = 4,034.24 : x
  2. Step 2: Convert to fraction form
    13,894.28/20,837.07 = 4,034.24/x
  3. Step 3: Cross multiply
    13,894.28x = 20,837.07 × 4,034.24
  4. Step 4: Simplify right side
    13,894.28x = 84,061,741.28
  5. Step 5: Solve for x
    x = 84,061,741.28/13,894.28
  6. Step 6: Final answer
    x = 6,050.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.